Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Cryptoperthite from
Mathullet, Stavern (Fredriksvärn), Larvik Commune, Vestfold, Norway


Locality type:Outcrop
Classification
Species:Feldspar Group var: Cryptoperthite
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Cryptoperthite data
Locality Data:Click here to view Mathullet, Stavern (Fredriksvärn), Larvik Commune, Vestfold, Norway
Data Identifiers
Mindat Occurrence Record ID:1585891
Long-form Identifier:1:3:1585891:5
GUID (UUID V4):0
Nearest other occurrences of Cryptoperthite
0.9km (0.6 miles) ⓘFeldspar Prospect, Rakke, Stavern (Fredriksvärn), Larvik Commune, Vestfold, Norway
1.2km (0.7 miles) ⓘRV 301 Helgeroaveien roadcut, Jahren pegmatite, Stavern (Fredriksvärn), Larvik Commune, Vestfold, Norway
2.3km (1.4 miles) ⓘPegmatite occurrence near the old military hospital, Fredriksvern Verft, Stavern (Fredriksvärn), Larvik Commune, Vestfold, Norway
2.3km (1.5 miles) ⓘNordre Blokkhus (Blokkhusberget), Fredriksvern Verft, Stavern (Fredriksvärn), Larvik Commune, Vestfold, Norway
2.4km (1.5 miles) ⓘStavern (Fredriksvärn), Larvik Commune, Vestfold, Norway
2.4km (1.5 miles) ⓘKikutøen, Stavernsøya, Fredriksvern Verft, Stavern (Fredriksvärn), Larvik Commune, Vestfold, Norway
2.5km (1.6 miles) ⓘCitadelløya (Festningsøya), Stavernsøya, Fredriksvern Verft, Stavern (Fredriksvärn), Larvik Commune, Vestfold, Norway
5.4km (3.3 miles) ⓘSteinvika, Larvik Commune, Vestfold, Norway
7.4km (4.6 miles) ⓘSvennerhavna, Svenner, Stavern (Fredriksvärn), Larvik Commune, Vestfold, Norway
10.0km (6.2 miles) ⓘAlmenningen Quarry (Treschow-Fritzøe Quarry), Tvedalen, Larvik Commune, Vestfold, Norway
References
Larsen, Alf Olav - Ed. (2000) Brøgger og Reusch; den første turen til Langesundsfjorden. Norsk Bergverksmuseum Skrift, 17. 35-38 as "labradoriserende feldspat"
 
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